Ex 11. Read a passage then choose the best answer（1,5 points）
Calories are units of energy。We need calories to do the things we do every day walking，riding a bike，and even sleeping！We get calories from the food we eat。If we eat too many，we can get fat。If we don't eat enough，we feel tired and weak。People should have between 1,600 and 2,500 calories a day to stay in shape。Sports like riding a bike and running use a lot of calories。Sleeping and watching TV use less。Do think you are eating more or less calories than you need？you Dr. Dan Law is a diet expert。He knows exactly how much people need to eat，so many people listen to his advice。His calorie tips？Eat less junk food，and count your calories if you're becoming fat。
1. What are calories？
Calories are units of energy
2. What happens if we eat too many calories？
We can put on weight
3. Do we use calories when we sleep？
Yes, we do.
4. What is a healthy number of calories per day？
At least 1,800 calories per day.
5. Which activity uses a lot of calories？
Sports like riding a bike and running use a lot of calories。
6. Why do people listen to Dr. Law's advice？
Because he knows exactly how much people need to eat
